Typescript NestJS-测试套件运行失败,找不到模块';src/article/article.entity';从';comment/comment.entity.ts';
我需要nestjs和jest测试方面的帮助。我是NestJS新手,在运行测试时遇到了找不到模块的错误 我正在尝试测试我的服务,运行测试时收到错误消息: src/article/article.service.spec.ts ● 测试套件无法运行Typescript NestJS-测试套件运行失败,找不到模块';src/article/article.entity';从';comment/comment.entity.ts';,typescript,unit-testing,testing,jestjs,nestjs,Typescript,Unit Testing,Testing,Jestjs,Nestjs,我需要nestjs和jest测试方面的帮助。我是NestJS新手,在运行测试时遇到了找不到模块的错误 我正在尝试测试我的服务,运行测试时收到错误消息: src/article/article.service.spec.ts ● 测试套件无法运行 Cannot find module 'src/article/article.entity' from 'comment/comment.entity.ts' Require stack: comment/comment.entity.ts
Cannot find module 'src/article/article.entity' from 'comment/comment.entity.ts'
Require stack:
comment/comment.entity.ts
article/article.entity.ts
article/article.service.spec.ts
6 | ManyToOne,
7 | } from 'typeorm';
> 8 | import { Article } from 'src/article/article.entity';
| ^
9 |
10 | @Entity()
11 | export class Comment {
at Resolver.resolveModule (../node_modules/jest-resolve/build/index.js:307:11)
at Object.<anonymous> (comment/comment.entity.ts:8:1)
package.json中有我的jest设置
"jest": {
"moduleFileExtensions": [
"js",
"json",
"ts"
],
"rootDir": "src",
"testRegex": ".spec.ts$",
"transform": {
"^.+\\.(t|j)s$": "ts-jest"
},
"coverageDirectory": "../coverage",
"testEnvironment": "node"
}
我试图将rootDir更改为“/src”,但这不起作用
我用nest new blabla生成了一个项目。因此,我的jest设置是默认设置。也许我在测试中的自定义存储库模拟有问题。不要在应用程序中使用“src/article/article.entity”之类的路径,这些路径在编译后不可用。取而代之的是相对路径,如“../../article/article.entity”(这只是一个猜测的路径)。将以下行添加到Jest配置中:
{
// ...
“笑话”:{
// ...
“moduleNameMapper”:{
“^src/(.*)$”:“/$1”
}
}
}
现在,以src/
开头的模块将被查看到/
,默认情况下,这是src
文件夹(上面几行配置)。查看上面的文档链接,了解您可以使用它做的所有事情
我不知道使用绝对路径有什么问题,正如另一个回答所说,它不仅有用,而且在NestJS和Angular中都可以正常工作。如果没有兼容的加载程序,就不能使用基本URL。nodejs加载器并不是说代码段不起作用,当像
“^src/(.*)$”:“/src/$1”
这样映射时,它必须再次指定实际的路径!
import { Repository, EntityRepository } from 'typeorm';
import { Article } from './article.entity';
@EntityRepository(Article)
export class ArticleRepository extends Repository<Article> {
}
import { Test, TestingModule } from "@nestjs/testing";
import { getRepositoryToken } from "@nestjs/typeorm";
import { Article } from "./article.entity";
import { ArticleRepository } from "./article.repository";
import { ArticleService } from "./article.service";
import { ArticleRO } from "./dto/article.response";
describe("PostService", () => {
let service: ArticleService;
let articleRepository: ArticleRepository;
beforeEach(async () => {
const module: TestingModule = await Test.createTestingModule({
providers: [
ArticleService,
{
provide: getRepositoryToken(Article),
useClass: ArticleRepository,
},
],
}).compile();
service = module.get<ArticleService>(ArticleService);
articleRepository = module.get<ArticleRepository>(
getRepositoryToken(Article)
);
});
it("should be defined", () => {
expect(service).toBeDefined();
});
describe("findAll", () => {
it("should return an array of cats", async () => {
const result: ArticleRO[] = [];
jest.spyOn(service, "getAllPosts").mockResolvedValueOnce(result);
expect(await service.getAllPosts()).toBe(result);
});
});
});
import {
Entity,
Column,
PrimaryGeneratedColumn,
CreateDateColumn,
ManyToOne,
} from 'typeorm';
import { Article } from 'src/article/article.entity';
@Entity()
export class Comment {
@PrimaryGeneratedColumn()
id: number;
@Column()
author: string;
@Column()
content: string;
@CreateDateColumn()
createdAt: Date;
@ManyToOne(
() => Article,
article => article.comments,
)
article: Article;
}
"jest": {
"moduleFileExtensions": [
"js",
"json",
"ts"
],
"rootDir": "src",
"testRegex": ".spec.ts$",
"transform": {
"^.+\\.(t|j)s$": "ts-jest"
},
"coverageDirectory": "../coverage",
"testEnvironment": "node"
}